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Finding the Fourth Proportional to 347,152.10, 520,728.15 and 97,834.10

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Solution

The fourth proportional to 347,152.10, 520,728.15 and 97,834.10 is: 146,751.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,152.10 : 520,728.15 = 97,834.10 : x
  2. Step 2: Convert to fraction form
    347,152.10/520,728.15 = 97,834.10/x
  3. Step 3: Cross multiply
    347,152.10x = 520,728.15 × 97,834.10
  4. Step 4: Simplify right side
    347,152.10x = 50,944,969,899.92
  5. Step 5: Solve for x
    x = 50,944,969,899.92/347,152.10
  6. Step 6: Final answer
    x = 146,751.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.